[BH-1389] Catch2 unit tests optimization

Removed redundant recompilation of catch2 main
resulted in over 20% speed up of unit tests compilation.

[BH-1333] Battery subsystem refactor

Interfaces clean up.
Fixed logic flow.
Fixed various bugs.

[BH-1365] Restore snooze chime processing to alarm operations

Restore snooze chime processing to alarm operations

[BH-1335] Correct alarm-knob state on turnon

Correct alarm-knob state on turnon

[BH-1240] Prewakeup frontlight when alarm light off

Prewakeup frontlight when alarm light off

[BH-1125] Add file indexer

Add file indexer

[BH-1248] Battery charger events handling

[BH-1249][BH-1248] Added handling of battery charger async
events to the home screen.
[BH-1276] Enter battery status from snooze active window.
[BH-1278] Proper latch state handling when in battery critical state.
Fixed various minor bugs spotted along the way.

[BH-1273] Fix audio asset playback stop

Make sure apps are only stopping their own audio playbacks

[BH-1282] Fix bell power on when usb connected

attached dome switch as power (reboot) key when usb connected

[BH-1245] Default values for settings

Set default values according to list

[BH-1191] Alarm priorities

Enhanced alarm priorities handling

[BH-1259] Snooze time displayed incorrectly
while returning to the home screen

[BH-1263] Bottom message displayed when
editing alarm

Fixed ambiguous iterator use.

[BH-1242] Prewakeup - chime and light at the same time fix

Prewakeup - chime and light at the same time fix

[BH-1223] Global idle return timer 180s

Home Screen timer updated to 10s

[EGD-7900] Fix backlight behavior

Cumulated fixes for both screen and keypad light

Merge remote-tracking branch 'origin/stable'

[BH-1191] Alarm operations priorities

Implemented a very basic alarm operations priority.

[BH-1204] Fixed time format being incorrectly displayed
in background sounds app.

[BH-1030] Frontlight ramp

Frontlight ramp

Merge remote-tracking branch 'origin/stable'

[BH-1211] Fix bell audio use cpu sentinel

hold of CPU freq when audio is active

Merge remote-tracking branch 'origin/stable'